Fibaro Flood Sensor (Z-Wave) vs Shelly Flood (2026)

Updated July 2026

Data from Amazon and official Fibaro and Shelly sites.

2026 verdict

Winner

$66.12$78.5316% OFF

The Fibaro Flood Sensor (Z-Wave) takes the win in this water leak sensor matchup, carrying a higher owner rating, longer battery life, and more onboard hardware, including tilt and tamper sensing plus a built-in alert sound and light that the Shelly Flood lacks entirely. The Shelly Flood answers back with the more affordable price tag, a longer warranty, and a broader integration list spanning Google Home, Alexa, and SmartThings on top of its native WiFi connection, no separate radio hub required. Both sensors double as temperature monitors alongside leak detection. Choose the Fibaro Flood Sensor (Z-Wave) if you run a Z-Wave setup and want tamper alerts with a local siren, and lean toward the Shelly Flood if you want a cheaper WiFi-native sensor with wider voice-assistant support and a longer warranty.

Winner

Fibaro

Fibaro Flood Sensor (Z-Wave)

16% OFF

$66.12

$78.53

Buy on Amazon USA

Shelly

Shelly Flood

$24.99

Buy on Amazon USA

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Feature	Fibaro Flood Sensor (Z-Wave)	Shelly Flood	Winner
Price	$66.12	$24.99	Shelly Flood
Rating	4.3	3.8	Fibaro Flood Sensor (Z-Wave)
Warranty	1 year	2 years	Shelly Flood
Battery Life	2 years	1.5 years	Fibaro Flood Sensor (Z-Wave)
Integrations	Samsung SmartThings, Home Assistant	Google Home, Alexa, Samsung SmartThings, Home Assistant	Shelly Flood
Sensors	Water Leak, Temperature, Tilt	Water Leak, Temperature	Fibaro Flood Sensor (Z-Wave)
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts	Fibaro Flood Sensor (Z-Wave)
On Device Alert Sound	YES	NO	Fibaro Flood Sensor (Z-Wave)
On Device Alert Light	YES	NO	Fibaro Flood Sensor (Z-Wave)
Weather Resistance	NO	NO	Tie
Connectivity	Z-Wave	2.4 GHz WiFi	Tie

Winner

Fibaro

Fibaro Flood Sensor (Z-Wave)

16% OFF

$66.12

$78.53

Buy on Amazon USA

+ Rating: 4.3
+ Battery Life: 2 years
+ Sensors: Water Leak, Temperature, Tilt
- Price: $66.12 vs $24.99
- Warranty: 1 year vs 2 years

Shelly

Shelly Flood

$24.99

Buy on Amazon USA

+ Price: $24.99
+ Warranty: 2 years
+ Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
- Rating: 3.8 vs 4.3
- Battery Life: 1.5 years vs 2 years

Frequently Asked Questions

Which is the better water leak sensor, the Fibaro Flood Sensor (Z-Wave) or the Shelly Flood?

The Fibaro Flood Sensor (Z-Wave) wins overall thanks to a higher rating, longer battery life, and extra tilt and tamper sensing with a local alarm. The Shelly Flood pushes back with a lower price, a longer warranty, and broader smart home integrations.

What is the biggest difference between the Fibaro Flood Sensor (Z-Wave) and the Shelly Flood?

Connectivity and onboard alerting. The Fibaro Flood Sensor (Z-Wave) needs a Z-Wave hub but adds a local alert sound, light, tilt sensing, and tamper alerts, while the Shelly Flood connects directly over WiFi with no hub needed but skips any on-device alarm.

Which sensor has a local alarm or tamper detection?

Only the Fibaro Flood Sensor (Z-Wave). It includes both an on-device alert sound and light along with tamper alerts tied to its tilt sensor, while the Shelly Flood has no local siren or tamper detection at all.

Which one integrates with more smart home platforms?

The Shelly Flood integrates with Google Home, Alexa, Samsung SmartThings, and Home Assistant right out of the box over WiFi. The Fibaro Flood Sensor (Z-Wave) only lists Home Assistant directly, relying on a Z-Wave hub to bridge anything further.

Who should buy the Fibaro Flood Sensor (Z-Wave)?

Buy it if you already have a Z-Wave hub and want a higher-rated sensor with tilt sensing, tamper alerts, and a local siren and light.

Who should buy the Shelly Flood?

Choose it if you want a lower-cost, hub-free WiFi sensor with a longer warranty and native support for Google Home, Alexa, and SmartThings.

Full comparison table

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